<template>
  <div>
    <el-menu
      default-active="1-4-1"
      class="el-menu-vertical-demo"
    >

      <el-menu-item v-for="item in noChildren" :key="item.name"  :index="item.name">
        <i :class="`el-icon-${item.icon}`"></i>
        <span slot="title">{{item.label}}</span>
      </el-menu-item>

      <el-submenu index="1">
        <template slot="title">
          <i class="el-icon-location"></i>
          <span slot="title">导航一</span>
        </template>
        <el-menu-item-group>
          <el-menu-item index="1-1">选项1</el-menu-item>
          <el-menu-item index="1-2">选项2</el-menu-item>
        </el-menu-item-group>
      </el-submenu>

     
    </el-menu>
  </div>
</template>
<style scoped>
.el-menu{
    height: 100vh;
}


</style>
<script>
export default {
  data() {
    return {
      menuData: [
        {
          path: "/",
          name: "home",
          label: "首页",
          icon: "s-home",
          url: "Home/Home",
        },
        {
          path: "/mall",
          name: "mall",
          label: "商品管理",
          icon: "video-play",
          url: "MallManage/MallManage",
        },
        {
          path: "/user",
          name: "user",
          label: "用户管理",
          icon: "user",
          url: "UserManage/UserManage",
        },
        {
          label: "其他",
          icon: "location",
          children: [
            {
              path: "/page1",
              name: "page1",
              label: "页面1",
              icon: "setting",
              url: "Other/PageOne",
            },
            {
              path: "/page2",
              name: "page2",
              label: "页面2",
              icon: "setting",
              url: "Other/PageTwo",
            },
          ],
        },
      ],
    };
  },
  computed:{
    // 有子菜单
    hasChildren(){
      console.log(this.menuData.filter(item => item.children));
    return this.menuData.filter(item => item.children)
 
    },
    // 没有子菜单
    noChildren(){
        console.log(this.menuData.filter(item => !item.children));
        return this.menuData.filter(item=> !item.children)
    }
  },
  setup() {},
};
</script>
